Lestari, S., R. Eldina, D. K. Sumartha, and N. Apipah. “Implementation of Augmented Reality to Enhance Alphabet Letter Understanding at Paud Bintang Jonggol”. International Journal Software Engineering and Computer Science (IJSECS), vol. 4, no. 1, Apr. 2024, pp. 81-90, doi:10.35870/ijsecs.v4i1.2179.